1 | unit Preview; |
---|
2 | interface |
---|
3 | uses |
---|
4 | Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, |
---|
5 | Dialogs, StdCtrls, Template, ExtCtrls, Math, StrUtils, |
---|
6 | ConnectionManager, OniImgClass, Data, TypeDefs, Menus, Buttons; |
---|
7 | |
---|
8 | type |
---|
9 | TForm_Preview = class(TForm_ToolTemplate) |
---|
10 | lbl_notpossible: TLabel; |
---|
11 | panel_buttons: TPanel; |
---|
12 | btn_dec: TButton; |
---|
13 | btn_startstop: TButton; |
---|
14 | btn_inc: TButton; |
---|
15 | img: TImage; |
---|
16 | timer: TTimer; |
---|
17 | procedure FormCreate(Sender: TObject); |
---|
18 | procedure NewFile(fileinfo: TFileInfo); |
---|
19 | |
---|
20 | procedure PreviewImage; |
---|
21 | procedure PreviewTXAN; |
---|
22 | procedure btn_incClick(Sender: TObject); |
---|
23 | procedure btn_decClick(Sender: TObject); |
---|
24 | procedure btn_startstopClick(Sender: TObject); |
---|
25 | procedure timerTimer(Sender: TObject); |
---|
26 | procedure panel_buttonsResize(Sender: TObject); |
---|
27 | |
---|
28 | procedure DrawImage(index: Integer); |
---|
29 | procedure SetBitmapCount(Count: Integer); |
---|
30 | procedure LoadImage(fileid, index: Integer); |
---|
31 | private |
---|
32 | bitmaps: array of TBitmap; |
---|
33 | actualimg: Byte; |
---|
34 | _fileid: Integer; |
---|
35 | public |
---|
36 | end; |
---|
37 | |
---|
38 | var |
---|
39 | Form_Preview: TForm_Preview; |
---|
40 | |
---|
41 | implementation |
---|
42 | {$R *.dfm} |
---|
43 | |
---|
44 | |
---|
45 | procedure TForm_Preview.FormCreate(Sender: TObject); |
---|
46 | begin |
---|
47 | inherited; |
---|
48 | Self.OnNewFileSelected := NewFile; |
---|
49 | end; |
---|
50 | |
---|
51 | |
---|
52 | procedure TForm_Preview.NewFile(fileinfo: TFileInfo); |
---|
53 | var |
---|
54 | ext: String; |
---|
55 | begin |
---|
56 | _fileid := fileinfo.ID; |
---|
57 | if _fileid >= 0 then |
---|
58 | begin |
---|
59 | lbl_notpossible.Visible := False; |
---|
60 | Self.img.Visible := True; |
---|
61 | Self.timer.Enabled := False; |
---|
62 | Self.panel_buttons.Visible := False; |
---|
63 | ext := fileinfo.Extension; |
---|
64 | if (ext = 'PSpc') or (ext = 'TXMB') or (ext = 'TXMP') then |
---|
65 | PreviewImage |
---|
66 | else if ext = 'TXAN' then |
---|
67 | PreviewTXAN |
---|
68 | else |
---|
69 | begin |
---|
70 | Self.lbl_notpossible.Visible := True; |
---|
71 | Self.img.Visible := False; |
---|
72 | end; |
---|
73 | end |
---|
74 | else |
---|
75 | begin |
---|
76 | Self.img.Visible := False; |
---|
77 | lbl_notpossible.Visible := False; |
---|
78 | Self.timer.Enabled := False; |
---|
79 | Self.panel_buttons.Visible := False; |
---|
80 | end; |
---|
81 | end; |
---|
82 | |
---|
83 | |
---|
84 | procedure TForm_Preview.LoadImage(fileid, index: Integer); |
---|
85 | var |
---|
86 | memstream: TMemoryStream; |
---|
87 | OniImage: TOniImage; |
---|
88 | begin |
---|
89 | OniImage := TOniImage.Create; |
---|
90 | OniImage.Load(ConnectionID, fileid); |
---|
91 | memstream := TMemoryStream.Create; |
---|
92 | OniImage.GetAsBMP(TStream(memstream)); |
---|
93 | OniImage.Free; |
---|
94 | bitmaps[index].LoadFromStream(memstream); |
---|
95 | memstream.Free; |
---|
96 | end; |
---|
97 | |
---|
98 | |
---|
99 | procedure TForm_Preview.DrawImage(index: Integer); |
---|
100 | begin |
---|
101 | BitBlt(img.Canvas.Handle, 0, 0, img.Width, img.Height, |
---|
102 | bitmaps[index].Canvas.Handle, 0, 0, WHITENESS); |
---|
103 | BitBlt(img.Canvas.Handle, 0, 0, bitmaps[index].Width, bitmaps[index].Height, |
---|
104 | bitmaps[index].Canvas.Handle, 0, 0, SRCCOPY); |
---|
105 | img.Invalidate; |
---|
106 | end; |
---|
107 | |
---|
108 | |
---|
109 | procedure TForm_Preview.SetBitmapCount(Count: Integer); |
---|
110 | var |
---|
111 | i: Integer; |
---|
112 | begin |
---|
113 | if Length(bitmaps) > Count then |
---|
114 | begin |
---|
115 | for i := Count to High(bitmaps) do |
---|
116 | bitmaps[i].Free; |
---|
117 | SetLength(bitmaps, Count); |
---|
118 | end; |
---|
119 | if Length(bitmaps) < Count then |
---|
120 | begin |
---|
121 | i := Length(bitmaps); |
---|
122 | SetLength(bitmaps, Count); |
---|
123 | for i := i to High(bitmaps) do |
---|
124 | bitmaps[i] := TBitmap.Create; |
---|
125 | end; |
---|
126 | end; |
---|
127 | |
---|
128 | |
---|
129 | procedure TForm_Preview.PreviewImage; |
---|
130 | begin |
---|
131 | SetBitmapCount(1); |
---|
132 | LoadImage(_fileid, 0); |
---|
133 | DrawImage(0); |
---|
134 | end; |
---|
135 | |
---|
136 | |
---|
137 | procedure TForm_Preview.PreviewTXAN; |
---|
138 | var |
---|
139 | loop_speed: Word; |
---|
140 | linkcount: Integer; |
---|
141 | link: Integer; |
---|
142 | i: Byte; |
---|
143 | begin |
---|
144 | ConManager.Connection[ConnectionID].LoadDatFilePart(_fileid, $14, SizeOf(loop_speed), @loop_speed); |
---|
145 | ConManager.Connection[ConnectionID].LoadDatFilePart(_fileid, $1C, SizeOf(linkcount), @linkcount); |
---|
146 | SetBitmapCount(linkcount); |
---|
147 | for i := 0 to linkcount - 1 do |
---|
148 | begin |
---|
149 | ConManager.Connection[ConnectionID].LoadDatFilePart(_fileid, $20 + i * 4, SizeOf(link), @link); |
---|
150 | link := link div 256; |
---|
151 | if link = 0 then |
---|
152 | link := _fileid - 1; |
---|
153 | LoadImage(link, i); |
---|
154 | end; |
---|
155 | actualimg := 254; |
---|
156 | Self.timer.Interval := Floor(loop_speed * (1 / 60) * 1000); |
---|
157 | Self.timer.Enabled := False; |
---|
158 | Self.btn_startstopClick(Self); |
---|
159 | Self.panel_buttons.Visible := True; |
---|
160 | end; |
---|
161 | |
---|
162 | |
---|
163 | procedure TForm_Preview.timerTimer(Sender: TObject); |
---|
164 | begin |
---|
165 | btn_incClick(Self); |
---|
166 | end; |
---|
167 | |
---|
168 | |
---|
169 | procedure TForm_Preview.btn_startstopClick(Sender: TObject); |
---|
170 | begin |
---|
171 | Self.timer.Enabled := not Self.timer.Enabled; |
---|
172 | Self.btn_dec.Enabled := not Self.timer.Enabled; |
---|
173 | Self.btn_inc.Enabled := not Self.timer.Enabled; |
---|
174 | if Self.timer.Enabled then |
---|
175 | Self.btn_startstop.Caption := 'Stop automatic' |
---|
176 | else |
---|
177 | Self.btn_startstop.Caption := 'Start automatic'; |
---|
178 | end; |
---|
179 | |
---|
180 | |
---|
181 | procedure TForm_Preview.btn_decClick(Sender: TObject); |
---|
182 | begin |
---|
183 | if actualimg > 0 then |
---|
184 | Dec(actualimg) |
---|
185 | else |
---|
186 | actualimg := High(bitmaps); |
---|
187 | Self.Caption := 'Preview ' + ConManager.Connection[ConnectionID].GetFileInfo(_fileid).Name + |
---|
188 | ' (' + IntToStr(actualimg + 1) + '/' + IntToStr(Length(bitmaps)) + ')'; |
---|
189 | DrawImage(actualimg); |
---|
190 | end; |
---|
191 | |
---|
192 | |
---|
193 | procedure TForm_Preview.btn_incClick(Sender: TObject); |
---|
194 | begin |
---|
195 | if actualimg < High(bitmaps) then |
---|
196 | Inc(actualimg) |
---|
197 | else |
---|
198 | actualimg := 0; |
---|
199 | Self.Caption := 'Preview ' + ConManager.Connection[ConnectionID].GetFileInfo(_fileid).Name + |
---|
200 | ' (' + IntToStr(actualimg + 1) + '/' + IntToStr(Length(bitmaps)) + ')'; |
---|
201 | DrawImage(actualimg); |
---|
202 | end; |
---|
203 | |
---|
204 | |
---|
205 | procedure TForm_Preview.panel_buttonsResize(Sender: TObject); |
---|
206 | begin |
---|
207 | btn_startstop.Width := panel_buttons.Width - 45; |
---|
208 | btn_inc.Left := panel_buttons.Width - 23; |
---|
209 | end; |
---|
210 | |
---|
211 | |
---|
212 | begin |
---|
213 | AddToolListEntry('preview', 'Preview-Window', ''); |
---|
214 | end. |
---|